Which of the compounds shown above is correctly identified by the name pentane according to the IUPAC system of naming compounds?

Question

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According to the IUPAC system, pentane is a straight-chain hydrocarbon with a chain of five carbon atoms.

(1) is not pentane because it has a four-carbon chain (butane).

(2) is not pentane because it has a six-carbon chain (hexane).

(3) is pentane because it has a five-carbon chain.

Which of the Compounds Shown Above Is Correctly Identified by the Name